Table 2 presents the Pearson correlations between alcohol, tobacco, and cannabis DSM-IV dependence symptom counts. There was a significant association between substances in males and females; correlation values ranged from 0.28 – 0.38. The highest correlation in males was between alcohol and tobacco (0.33) while the highest correlation in females was between alcohol and cannabis (0.38). Overall, the pattern of correlations was similar across males and females.